Hardware Spec Index

Teralux FN-4021 Prime 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4021-PRIME · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index386 (Case Fans scale)
Category rank#48,880
Street price$9
Power4 W
Performance per dollar42.89
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4021 Prime
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4021 Prime 120mm PWM Case Fan”, https://vextor7.com/item/13600055 (accessed 2026-10-27).